Charging dock



FIG. 1 is a front, top, and left side perspective view of a charging dock;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the figures are for the purpose of illustrating portions of the charging dock that form no part of the claimed design. 

CLAIM The ornamental design for a charging dock, as shown and described. 